import java.util.Scanner;
class Test{

    public String name;
}
/*public class test {
    public static void main1(String[] args) {
        String s;
        Test test = null;
        test.name = "zhangsan";
        // System.out.println("name" + s);
    }
}*/


/*public class test {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNextInt()) {
            int x = scanner.nextInt();
            int y = scanner.nextInt();
            Data data = new Data(x, y);
            System.out.println(data.getX() + data.getY());
        }
    }

}

class Data {

    private int x;
    private int y;

    public Data(int x, int y) {
        this.x = x;
        this.y = y;
    }

    public int getX() {
        return x;
    }

    public int getY() {
        return y;
    }

}*/
/*
public class test{

    private int count;

    public static void main(String[] args) {

        test test=new test(88);

        System.out.println(test.count);

    }

    test(int a) {

        count=a;

    }

}*/

/*
public class test{
    static int cnt = 6;
    static{
        cnt += 9;
    }
    public static void main(String[] args){
        System.out.println("cnt = " + cnt);
    }
    static{
        cnt /=3;
    };
}*/

/*
public class test {
    public int aMethod(){
        static int i = 0;
        i++;
        return i;
    }
    public static void main(String args[]){
        test Test = new test();
        Test.aMethod();
        int j = Test.aMethod();
        System.out.println(j);
    }
}
*/